Tangent of Kampyle of Eudoxus

r = sec 2úc

References:

  1. Robert C. Yates, A Handbook on Curves and Their Properties, p. 204.

  2. J. Dennis Lawrence. A catalog of special plane curves, pp. 141-143.

See also: http://www.cs.mcgill.ca/~cs507/projects/1998/zafiroff/